I've been playing this game since it came out and I've never gotten this before until today! My sim went to college and starting making lots of friends. Suddenly, I just started getting this message. Later, my sim was flirting with a sim that had a girlfriend, so I wondered if it had anything to do with breaking up a couple? I don't recall her flirting when it first came up, but I guess she may have been.
I'm glad to know this is a base game glitch though. I was afraid it was one of my NRAAS mods, like Story Progression. Thanks!
